And the Lord visited Sarah as He had said, and the Lord did unto Sarah as He had spoken. The Lord visited Sarah by doing to her as He had promised, by granting her what she had desired for so many years, a child of her own. Children are a gift of the goodness of God.
Related Commentaries of Genesis 21:1
Genesis 21:1
1 And the LORD visited Sarah as he had said, and the LORD did unto Sarah as he had spoken.